Pt.4 1JZ Tune Up | How to install -AN Fittings In Valve Covers

In this video we drill and tap the valve covers for -10 AN fittings to vent the crankcase pressure to a oil air separator (catchcan). This process can work for many different style valve covers but here I detail the process on a 1jzgte vvti. Great write up online you can follow as well https://www.clublexus.com/forums/perf... Support the Channel / Build -- Subscribe + Follow Thanks! Snapchat:StewartMotoring   / stewartmotoring     / stewartmotoring